Pioneer species of Cyanobacteria in hot springs and their role to travertine formation: The case of Aedipsos hot springs, Euboea (Evia), Greece
Abstract Cyanobacteria are considered to be among the first microorganisms to settle in hot springs where they form a favourable environment for further biological establishment. Nevertheless, the exact pioneer species and how early they start participating in the biomineralisation processes remain...
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Wiley
2022-09-01
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Series: | The Depositional Record |
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Online Access: | https://doi.org/10.1002/dep2.198 |
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author | Christos Kanellopoulos Vasiliki Lamprinou Artemis Politi Panagiotis Voudouris Athena Economou‐Amilli |
author_facet | Christos Kanellopoulos Vasiliki Lamprinou Artemis Politi Panagiotis Voudouris Athena Economou‐Amilli |
author_sort | Christos Kanellopoulos |
collection | DOAJ |
description | Abstract Cyanobacteria are considered to be among the first microorganisms to settle in hot springs where they form a favourable environment for further biological establishment. Nevertheless, the exact pioneer species and how early they start participating in the biomineralisation processes remain unknown. The aim of the present study was twofold, that is, to identify the pioneer Cyanobacteria in hot springs (i.e. Aedipsos area, Greece) and to record their early biomineralisation processes. The in situ experimental approach included the setup of sterile glass and/or plexiglass slides in several locations to facilitate colonisation by Cyanobacteria, and removal of slides for study after 48–202 h. Synechococcales (37%) and Oscillatoriales (33%) were the dominant orders, followed by Chroococcales (15%) and Spirulinales (11%); whereas Chroococcidiopsidales (4%) was found only in a few sites. The order Nostocales was not observed at the early stages of colonisation although it was present in mature stages. Forty‐three species of Cyanobacteria were identified as pioneer microorganisms, with Spirulina subtilissima being the most frequently found. The most common pioneers were multicellular filamentous Cyanobacteria, that is, organisms with a large surface area able to form significant amounts of extracellular polymeric substances. Among the pioneers, thermophilic species of Cyanobacteria were typical such as Chroococcidiopsis thermalis, Chroococcus thermalis, Leptolyngbya thermalis, S. subtilissima and Symploca thermalis, as well as typical limestone substrate species such as Chroococcus lithophilus and Leptolyngbya laminosa. Temperature seems to affect biodiversity. Also, pioneers were found to contribute to the biomineralisation processes from their first appearance. In the studied samples, three biomineralisation processes were identified, that is, (i) calcification of cyanobacterial sheaths, (ii) trapping of carbonate crystals on a crystal retention lattice formed by extracellular polymeric substances and filaments and (iii) trapping and confinement of carbonate crystals around filamentous Cyanobacteria. |
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language | English |
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series | The Depositional Record |
spelling | doaj.art-30fd2f78c9f249c0818867315cc11ce02022-12-22T03:21:35ZengWileyThe Depositional Record2055-48772022-09-01831079109210.1002/dep2.198Pioneer species of Cyanobacteria in hot springs and their role to travertine formation: The case of Aedipsos hot springs, Euboea (Evia), GreeceChristos Kanellopoulos0Vasiliki Lamprinou1Artemis Politi2Panagiotis Voudouris3Athena Economou‐Amilli4Faculty of Geology and Geoenvironment, Panepistimiopolis, Ano Ilissia National and Kapodistrian University of Athens Athens GreeceFaculty of Biology, Department of Ecology and Systematic, Panepistimiopolis, Ano Ilissia National and Kapodistrian University of Athens Athens GreeceFaculty of Biology, Department of Ecology and Systematic, Panepistimiopolis, Ano Ilissia National and Kapodistrian University of Athens Athens GreeceFaculty of Geology and Geoenvironment, Panepistimiopolis, Ano Ilissia National and Kapodistrian University of Athens Athens GreeceFaculty of Biology, Department of Ecology and Systematic, Panepistimiopolis, Ano Ilissia National and Kapodistrian University of Athens Athens GreeceAbstract Cyanobacteria are considered to be among the first microorganisms to settle in hot springs where they form a favourable environment for further biological establishment. Nevertheless, the exact pioneer species and how early they start participating in the biomineralisation processes remain unknown. The aim of the present study was twofold, that is, to identify the pioneer Cyanobacteria in hot springs (i.e. Aedipsos area, Greece) and to record their early biomineralisation processes. The in situ experimental approach included the setup of sterile glass and/or plexiglass slides in several locations to facilitate colonisation by Cyanobacteria, and removal of slides for study after 48–202 h. Synechococcales (37%) and Oscillatoriales (33%) were the dominant orders, followed by Chroococcales (15%) and Spirulinales (11%); whereas Chroococcidiopsidales (4%) was found only in a few sites. The order Nostocales was not observed at the early stages of colonisation although it was present in mature stages. Forty‐three species of Cyanobacteria were identified as pioneer microorganisms, with Spirulina subtilissima being the most frequently found. The most common pioneers were multicellular filamentous Cyanobacteria, that is, organisms with a large surface area able to form significant amounts of extracellular polymeric substances. Among the pioneers, thermophilic species of Cyanobacteria were typical such as Chroococcidiopsis thermalis, Chroococcus thermalis, Leptolyngbya thermalis, S. subtilissima and Symploca thermalis, as well as typical limestone substrate species such as Chroococcus lithophilus and Leptolyngbya laminosa. Temperature seems to affect biodiversity. Also, pioneers were found to contribute to the biomineralisation processes from their first appearance. In the studied samples, three biomineralisation processes were identified, that is, (i) calcification of cyanobacterial sheaths, (ii) trapping of carbonate crystals on a crystal retention lattice formed by extracellular polymeric substances and filaments and (iii) trapping and confinement of carbonate crystals around filamentous Cyanobacteria.https://doi.org/10.1002/dep2.198Aedipsos (Edipsos)biomineralisationCyanobacteriaEuboea (Evia) IslandGreecehot (thermal) springs |
spellingShingle | Christos Kanellopoulos Vasiliki Lamprinou Artemis Politi Panagiotis Voudouris Athena Economou‐Amilli Pioneer species of Cyanobacteria in hot springs and their role to travertine formation: The case of Aedipsos hot springs, Euboea (Evia), Greece The Depositional Record Aedipsos (Edipsos) biomineralisation Cyanobacteria Euboea (Evia) Island Greece hot (thermal) springs |
title | Pioneer species of Cyanobacteria in hot springs and their role to travertine formation: The case of Aedipsos hot springs, Euboea (Evia), Greece |
title_full | Pioneer species of Cyanobacteria in hot springs and their role to travertine formation: The case of Aedipsos hot springs, Euboea (Evia), Greece |
title_fullStr | Pioneer species of Cyanobacteria in hot springs and their role to travertine formation: The case of Aedipsos hot springs, Euboea (Evia), Greece |
title_full_unstemmed | Pioneer species of Cyanobacteria in hot springs and their role to travertine formation: The case of Aedipsos hot springs, Euboea (Evia), Greece |
title_short | Pioneer species of Cyanobacteria in hot springs and their role to travertine formation: The case of Aedipsos hot springs, Euboea (Evia), Greece |
title_sort | pioneer species of cyanobacteria in hot springs and their role to travertine formation the case of aedipsos hot springs euboea evia greece |
topic | Aedipsos (Edipsos) biomineralisation Cyanobacteria Euboea (Evia) Island Greece hot (thermal) springs |
url | https://doi.org/10.1002/dep2.198 |
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